Seiko Cal. 6638 - 228

Seiko 6638-228

This Hand-Winding model from 1988 features a 44mm Stainless Steel case. With its 22mm lug width and 12.8mm profile, it sits comfortably on most wrists. [seikata-wm-7831b16fbd3a]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
12.8mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
30m
Dial Color
Burgundy
Jewels
32j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1988

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seikata-wm-7831b16fbd3a